oftentimes

Từ điển WordNet v3.1 - WordNet Dictionary

adverb

many times at short intervals (Freq. 1)
- we often met over a cup of coffee
• Syn:
frequently, often, oft, ofttimes
• Ant:
rarely (for: often), infrequently (for: frequently)
• Derived from adjective:
frequent (for: frequently)

• Từ đồng nghĩa / Synonyms:
  frequently, often, oft, ofttimes
• Từ trái nghĩa / Antonyms:
  rarely, seldom, infrequently